From 5c2a7e75649ac979258d876bcce155d909562cf3 Mon Sep 17 00:00:00 2001
From: Richard Cornwell <rcornwell@github.com>
Date: Mon, 18 Jul 2016 20:40:46 -0400
Subject: [PATCH] SIM_CARD: Fixed error with short record file.

---
 sim_card.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sim_card.c b/sim_card.c
index 0dae7c5..7f8d375 100644
--- a/sim_card.c
+++ b/sim_card.c
@@ -625,6 +625,7 @@ sim_read_card(UNIT * uptr)
                     break;
                 case '\n':
                     col = 80;
+                    i--;
                     break;
                 case '~':               /* End of file mark */
                     if (col == 0) {
@@ -653,10 +654,10 @@ sim_read_card(UNIT * uptr)
                 }
             }
         }
+                    sim_debug(DEBUG_CARD, dptr, "-%d-", i);
+
         /* Scan to end of line, ignore anything after last column */
-        while (data->cbuff[i] != '\n' && data->cbuff[i] != '\r') {
-            if (i > data->len)
-               break;
+        while (data->cbuff[i] != '\n' && data->cbuff[i] != '\r' && i < data->len) {
             i++;
         }
         if (data->cbuff[i] == '\n')